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avdlee/swift-concurrency-agent-skill

1 skill · 14.1k installs · 1.6k stars · GitHub

Install

npx skills add https://github.com/avdlee/swift-concurrency-agent-skill

Skills in this repo

1Swift ConcurrencyDiagnose Swift Concurrency issues, refactor callback-based code to async/await, and guide Swift 6 migration when working with tasks, actors, @MainActor, Sendable, data races, thread safety, or concurrency-related compiler and linter warnings. --- name: swift-concurrency description: Diagnose Swift Concurrency issues, refactor callback-based code to async/await, and guide Swift 6 migration when working with tasks, actors, @MainActor, Sendable, data races, thread safety, or concurrency-related compiler and linter warnings. --- # Swift Concurrency ## Fast Path Before proposing a fix: 1. Analyze `Package.swift` or `.pbxproj` to determine Swift language mode, strict concurrency level, default isolation, and upcoming features. Do this always, not only for migration work. Capture the exact diagnostic and offending symbol. Determine the isolation boundary: `@MainActor`, custom actor, actor instance isolation, or `nonisolated`. Confirm whether the code is UI-bound or intended to run off the main actor. When spawning unstructured tasks, inspect the synchronous prefix (everything before the first `await`): start on `@MainActor` only when that prefix truly needs main-actor access; otherwise u.14.1kinstalls

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